Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

11°F

-12°C

Humidity 67%
Wind Speed NW 8 mph
Barometer 29.92 in (1015.5 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 1 Feb 3:56 am EST
Extended Forecast for

Olney MD

Cold Weather Advisory February 1, 04:32am until February 1, 01:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory February 1, 04:32am until February 1, 01:00pm

    NOW until 1:00pm Sun

    Cold Weather Advisory

  • Today

    High: 23 °F

    Mostly Sunny
    and Blustery

  • Tonight

    Tonight: Mostly clear, with a low around 12. Wind chill values as low as -2. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 12 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 31. Wind chill values as low as -4. Northwest wind 11 to 15 mph, with gusts as high as 22 mph.

    High: 31 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15. Northwest wind around 6 mph.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 35. Southwest wind 3 to 5 mph.

    High: 35 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow, mainly after 1am.  Mostly cloudy, with a low around 23. Chance of precipitation is 40%.

    Low: 23 °F

    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 23. Wind chill values as low as -8. Blustery, with a northwest wind 18 to 21 mph, with gusts as high as 34 mph.
Tonight
Mostly clear, with a low around 12. Wind chill values as low as -2. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 31. Wind chill values as low as -4. Northwest wind 11 to 15 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 15. Northwest wind around 6 mph.
Tuesday
Partly sunny, with a high near 35. Southwest wind 3 to 5 mph.
Tuesday Night
A chance of snow, mainly after 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 30.
Wednesday Night
Partly cloudy, with a low around 13.
Thursday
Sunny, with a high near 27.
Thursday Night
Mostly clear, with a low around 13.
Friday
A chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
Mostly sunny, with a high near 22.
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ABOUT THIS FORECAST

 
Point Forecast:
Olney MD
 39.14°N 77.07°W (Elev. 499 ft)
3:53 am EST Feb 1, 2026
4am EST Feb 1, 2026-6pm EST Feb 7, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database